The Crash Test Dummies. A Canadian band that probably not too many from elsewhere have heard of or remember, but I dare you to listen to this man's voice all the way through without cringing:
http://youtube.com/watch?v=-4WbwwhBmRk Now imagine if you heard that song pretty much every freakin' day on your parent's radio for about five years.
Superman's Song is another well known/despised song by them that played for years and years on Canadian radio; "SUPAAAMAN NEVA MAAADE ANY MUNNY, SAVIN' TH' WORLD FRUM SOOOLOMON GRUNDEH!" *twitch, twitch*
gonk